What is the Nokia TU21254?
The Nokia TU21254 is a circuit card / line card, listed by the manufacturer as "2(4)W LB/EM ADAPTOR UNIT (8 CH.) CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
CircularTelecomParts Catalogue

Part Overview
Nokia TU21254: a circuit card / line card (2(4)W LB/EM ADAPTOR UNIT (8 CH.) CARD). Circular Telecom resells surplus and refurbished units of parts like this, helping operators extend network equipment lifecycles and reduce e-waste.
Common Questions
The Nokia TU21254 is a circuit card / line card, listed by the manufacturer as "2(4)W LB/EM ADAPTOR UNIT (8 CH.) CARD". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
Circular Telecom sources and resells surplus and refurbished Nokia network equipment, including parts such as the TU21254, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue